Draw a cross section of the human brain, and label the structures and functions of the cere-
brum, diencephalon, brain stem, and cerebellum.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

i thinking chemical change

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.